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/* $Id: irq.h,v 1.10 1998/05/29 06:00:39 ecd Exp $
* irq.h: IRQ registers on the 64-bit Sparc.
*
* Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
*/
#ifndef _SPARC64_IRQ_H
#define _SPARC64_IRQ_H
#include <linux/linkage.h>
#include <linux/kernel.h>
struct devid_cookie {
int dummy;
};
/* You should not mess with this directly. That's the job of irq.c. */
struct ino_bucket {
unsigned short ino;
short imap_off;
unsigned short pil;
unsigned short flags;
unsigned int *iclr;
};
#define __irq_ino(irq) ((struct ino_bucket *)(unsigned long)(irq))->ino
#define __irq_pil(irq) ((struct ino_bucket *)(unsigned long)(irq))->pil
static __inline__ char *__irq_itoa(unsigned int irq)
{
static char buff[16];
sprintf(buff, "%d,%x", __irq_pil(irq), __irq_ino(irq));
return buff;
}
#define NR_IRQS 15
extern void disable_irq(unsigned int);
extern void enable_irq(unsigned int);
extern void init_timers(void (*lvl10_irq)(int, void *, struct pt_regs *),
unsigned long *);
extern unsigned int build_irq(int pil, int inofixup, unsigned int *iclr, unsigned int *imap);
extern unsigned int sbus_build_irq(void *sbus, unsigned int ino);
extern unsigned int psycho_build_irq(void *psycho, int imap_off, int ino, int need_dma_sync);
#ifdef __SMP__
extern void set_cpu_int(int, int);
extern void clear_cpu_int(int, int);
extern void set_irq_udt(int);
#endif
extern int request_fast_irq(unsigned int irq,
void (*handler)(int, void *, struct pt_regs *),
unsigned long flags, __const__ char *devname,
void *dev_id);
extern __inline__ void set_softint(unsigned long bits)
{
__asm__ __volatile__("wr %0, 0x0, %%set_softint"
: /* No outputs */
: "r" (bits));
}
extern __inline__ void clear_softint(unsigned long bits)
{
__asm__ __volatile__("wr %0, 0x0, %%clear_softint"
: /* No outputs */
: "r" (bits));
}
extern __inline__ unsigned long get_softint(void)
{
unsigned long retval;
__asm__ __volatile__("rd %%softint, %0"
: "=r" (retval));
return retval;
}
#endif
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